{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerable system owner", "capabilities", "common vulnerabilities and exposures", "vulnerable system", "vulnerability", "vulnerable system version", "time", "supported platform", "discoverer"]}], "input": "The flaw was discovered by Jacob Baines , a researcher with Tenable ."}
{"discover vulnerability": [{"vulnerable system owner": "NAN", "capabilities": "NAN", "common vulnerabilities and exposures": "NAN", "vulnerable system": "NAN", "vulnerability": "The flaw", "vulnerable system version": "NAN", "time": "NAN", "supported platform": "NAN", "discoverer": ["Jacob Baines", "Tenable", "a researcher"]}]}